Home / 5,174.28-7,762.64-1,476.56

Finding the Fourth Proportional to 5,174.28, 7,762.64 and 1,476.56

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Solution

The fourth proportional to 5,174.28, 7,762.64 and 1,476.56 is: 2,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.28 : 7,762.64 = 1,476.56 : x
  2. Step 2: Convert to fraction form
    5,174.28/7,762.64 = 1,476.56/x
  3. Step 3: Cross multiply
    5,174.28x = 7,762.64 × 1,476.56
  4. Step 4: Simplify right side
    5,174.28x = 11,462,003.72
  5. Step 5: Solve for x
    x = 11,462,003.72/5,174.28
  6. Step 6: Final answer
    x = 2,215.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.